<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
   <script src="hm.js">

   </script>
</head>
<body>
    <a href="javascript:alert('HAPPY');">test</a>
    <input type="button" onclick="alert('HAPPY');" value="你好">
    <a href="">哈哈哈哈哈哈哈哈哈</a>
    <div class="box">hahahahhahahhahahahah</div>
    <div class="hard"></div>
    <Canvas id="fafa" width="300px" height="400px">你的浏览器不支持canvas</Canvas>
</body>
</html>